1 /*
   2  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.phases.common.test;
  24 
  25 import java.lang.reflect.Method;
  26 
  27 import jdk.vm.ci.meta.JavaKind;
  28 import jdk.vm.ci.meta.MetaAccessProvider;
  29 
  30 import org.junit.Assert;
  31 import org.junit.Test;
  32 
  33 import org.graalvm.compiler.api.test.Graal;
  34 import org.graalvm.compiler.core.common.type.Stamp;
  35 import org.graalvm.compiler.core.common.type.StampFactory;
  36 import org.graalvm.compiler.core.common.type.TypeReference;
  37 import org.graalvm.compiler.runtime.RuntimeProvider;
  38 
  39 public class StampFactoryTest {
  40 
  41     @SuppressWarnings("unused")
  42     public void test(int a, Object b, double c) {
  43     }
  44 
  45     @Test
  46     public void testParameters() throws NoSuchMethodException, SecurityException {
  47         Method method = StampFactoryTest.class.getMethod("test", Integer.TYPE, Object.class, Double.TYPE);
  48         MetaAccessProvider metaAccess = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getProviders().getMetaAccess();
  49         Stamp[] parameterStamps = StampFactory.createParameterStamps(null, metaAccess.lookupJavaMethod(method));
  50         Stamp[] expected = {StampFactory.objectNonNull(TypeReference.createWithoutAssumptions(metaAccess.lookupJavaType(StampFactoryTest.class))), StampFactory.forKind(JavaKind.Int),
  51                         StampFactory.object(TypeReference.createWithoutAssumptions(metaAccess.lookupJavaType(Object.class))), StampFactory.forKind(JavaKind.Double)};
  52         Assert.assertArrayEquals(expected, parameterStamps);
  53     }
  54 }